Linux & Server
How-To Guides
Step-by-step guides from certified engineers covering server setup, security hardening, performance tuning and troubleshooting — updated from 2016 to present.
How to Optimise WordPress on CloudPanel for Maximum Speed
Tune the full CloudPanel stack for WordPress — PHP-FPM, Redis, Varnish, MariaDB and Nginx together.
How to Protect Your Server from DDoS Attacks
Multi-layer DDoS protection — Cloudflare rules, Nginx rate limiting, Fail2Ban and kernel SYN flood protection.
How to Install and Configure PHP 8.3 on CloudPanel
Install PHP 8.3 on CloudPanel with JIT tracing enabled — typed class constants and performance gains.
How to Set Up LEMP Stack on Ubuntu 24.04 LTS
Install a production LEMP stack on Ubuntu 24.04 LTS — Nginx, MariaDB 10.11 and PHP 8.3 with JIT.
How to Set Up Server Monitoring Alerts
Configure server monitoring alerts for CPU, memory, disk and uptime — email and webhook notifications.
How to Configure Redis 7 for WordPress
Set up Redis 7 with WordPress object caching — Unix socket connection, max memory and eviction policy.
How to Set Up PHP 8.2 on CloudPanel
Install PHP 8.2 on CloudPanel — readonly class properties, DNF string functions and JIT improvements.
How to Fix Common SSL Certificate Errors on Nginx
Fix SSL errors on Nginx — invalid authority, expired certs, chain issues and renewal failures.
How to Automate Linux Security Audits with Lynis
Schedule weekly security audits with Lynis — track hardening score, get recommendations and fix issues.
How to Set Up WordPress on Ubuntu 22.04
Full WordPress installation on Ubuntu 22.04 with Nginx, PHP 8.2, MariaDB and Let's Encrypt SSL.
How to Configure Nginx with HTTP/2
Enable HTTP/2 on Nginx — multiplexing, server push and performance improvements over HTTP/1.1.
How to Set Up Centralised Log Management on Linux
Configure rsyslog for structured logging, set up logrotate and monitor logs in real time.
How to Recover a Hacked Linux Server
Step-by-step hacked server recovery — contain the breach, scan for malware, clean and reharden.
How to Set Up MariaDB 10.6 on Ubuntu 22.04
Install MariaDB 10.6 LTS on Ubuntu 22.04 — system versioned tables, InnoDB improvements and replication.
How to Configure Varnish 7 with WordPress on Ubuntu 22.04
Set up Varnish Cache 7 with WordPress — improved VCL, h2 support and cache purging via REST.
How to Set Up a Secure Ubuntu 22.04 Server from Scratch
Complete Ubuntu 22.04 LTS server setup — users, SSH keys, firewall, Fail2Ban and automatic updates.
How to Configure PHP 8.1 OPcache JIT Compiler
Enable and tune the PHP 8.1 OPcache JIT compiler — tracing mode, buffer size and production settings.
How to Set Up Plesk Obsidian on Ubuntu 22.04
Install and configure Plesk Obsidian on Ubuntu 22.04 — domains, SSL, email and WordPress toolkit.
How to Fix Email Deliverability with SPF, DKIM and DMARC
Fix email landing in spam — configure SPF, DKIM and DMARC records for your domain.
How to Set Up WooCommerce on Nginx Server
Configure Nginx for WooCommerce — performance tuning, cart exclusions from cache and checkout security.